patch for freopen(NULL,...)

[Jeff Johnston]

Christopher Faylor wrote:
> On Mon, Jan 09, 2006 at 12:54:23PM -0500, Jeff Johnston wrote:
> 
>>Patch checked in with minor modifications.  A check was required for 
>>HAVE_FCNTL before using _fcntl_r.  I also initialized e which was 
>>generating a warning message because of the new if clause.
> 
> 
> .../i686-pc-cygwin/newlib/libc/libc.a(freopen.o): In function `_freopen_r':
> .../newlib/libc/stdio/freopen.c:167: undefined reference to `__isatty'
> .../i686-pc-cygwin/newlib/libc/libc.a(freopen64.o): In function `_freopen64_r':
> .../newlib/libc/stdio64/freopen64.c:167: undefined reference to `__isatty'
> 
> Isn't that supposed to just be "isatty()" not "_isatty()"?  I'm
> wondering how this could have ever been linked.
> 
> cgf
> 

It builds and links fine under x86-linux which I usually use for my 
testing.  I'll switch it over immediately to match the usage in 
libc/stdio/makebuf.c.

-- Jeff J.